On Monday, the 52-year-old actor took to Instagram to reveal that he was hospitalized over the weekend with a shirtless hospital selfie.
"So this happened last night," he wrote alongside the shirtless pic in which he's giving a thumbs up. "I got admitted to hospital with pneumonia, possibly meningitis. I’ve never been so sick in my life!!!! Thumbs up and spirits up though."
A rep for the actor tells ET, "Dean is hanging in and gave an update to Nicky and Adam this morning that his fever finally broke and he is waiting for the doctor. "
McDermott, who is married to Tori Spelling, ended his post by promoting the new episode his podcast, Daddy Issues, which he co-hosts with Adam Hunter and Nicky Paris.
"And don’t forget to listen to @daddyissuesshow this morning at 9am. @theperezhilton is our guest," he wrote. "#sickasadog #aintnothang #thistoshallpass #blipontheradar"
On Tuesday, McDermott said he was still hospitalized.
"I just want to thank everyone from around the world for the love, support and well wishes," he said in a statement to ET. "I am currently batting (hopefully just) pneumonia and am under close medical care but am staying positive and strong. I can’t wait to be back in action and reunited with my beautiful wife Tori Spelling and kids and back in the studio with my boys Nicky Paris and Adam Hunter at The Comedy Store recording for #DaddyIssues!"